Your bloom phase is a crucial time, and you need to get it right when growing with coco coir. That's why you'll find everything your high-value crops need to produce big, heavy buds in pH Perfect Sensi Coco Bloom! First, you won't have to worry about balancing the pH, because the pH Perfect Technology does it for you all the way to harvest time. Next, your plants will benefit from the micronutrients they could be starved of if you grow in coco, such as calcium, magnesium, and, most importantly, multiple chelated forms of iron all of which are steadily fed to your plants when they need it most. All this safely eliminates any chance of nutrient deficiencies.